Charging base



FIG. 1 is a front view of a charging base showing a first embodiment of our new design;

FIG. 2 is a back view of the charging base shown in FIG. 1;

FIG. 3 is a left side view of the charging base shown in FIG. 1;

FIG. 4 is a right side view of the charging base shown in FIG. 1;

FIG. 5 is a top view of the charging base shown in FIG. 1;

FIG. 6 is a bottom view of the charging base shown in FIG. 1;

FIG. 7 is a top perspective view of the charging base shown in FIG. 1;

FIG. 8 is a bottom perspective view of the charging base shown in FIG. 1;

FIG. 9 is a front view of a charging base showing a second embodiment of our new design;

FIG. 10 is a back view of the charging base shown in FIG. 9;

FIG. 11 is a left side view of the charging base shown in FIG. 9;

FIG. 12 is a right side view of the charging base shown in FIG. 9;

FIG. 13 is a top view of the charging base shown in FIG. 9;

FIG. 14 is a bottom view of the charging base shown in FIG. 9;

FIG. 15 is a top perspective view of the charging base shown in FIG. 9; and,

FIG. 16 is a bottom perspective view of the charging base shown in FIG. 9.

The broken lines in the drawings are for the purpose of illustrating portions of the charging base that form no part of the claimed design. 

CLAIM The ornamental design for a charging base, as shown and described. 